Applications Scenario and Evolution
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1 Applications Scenario and Evolution Michele Morganti Siemens ITU Workshop Tomorrow s Network Today Saint-Vincent 7-8 October 2005
2 Exceeding Nomadic Customers expectations W-LAN like access: + Anywhere + Anytime + Seamless + Simple + Friendly + Secure
3 Naturally complementing WiFi WLL or WiMAX WiMAX WiFi My Personal Hot-Spot The Internet Residential Hot-Spots Nomadic Hot-Spots Corporate Hot-Spots Public Hot-Spots
4 Providing cellular coverage of urban and rural areas alike Existing MW Links dense urban d = 3km urban, suburban d = 5 km
5 Operating in LOS and NLOS WiMAX technology, solves or mitigates the problems resulting from NLOS conditions by using: OFDM technology. Sub-Channelization. Directional antennas. Transmit and receive diversity. Adaptive modulation. Error correction techniques. Power control. Full featured cell radii
6 Filling the gap between Fixed and Mobile Mobility Mobile Networks (GSM, UMTS, HSPDA, ) Fixed Walk Vehicle High Speed Vehicular Rural Vehicular Urban Pedestrian Nomadic Fixed urban Personal Area 0,01 0,1 BB Wireless (WiMAX d, e, ) Fixed Networks (xdsl, FITL, ) Bandwidth (Mb/s)
7 Application scenarios and Standards evolution path 2H2005 1H2006 1H2007 1H2008 WiMAX Profile#3 (IEEE e / g) WiMAX Profile#2 (IEEE e) WiMAX Profile#1 (IEEE ) Nomadic Fixed Portable Mobile Wireless DSL Corporate Feeding WiFi Feeding Hot Zone No Handover User authentication in different locations Hot Zone Session continuity within Hot Zones Mobility Seamless Handover
8 A worldwide Broadband Wireless Access standard CPE Price Proprietary Standard Compliance to standard Standard frequency plan Harmonized licensing schemes are all key to achieve: CPE cost reduction Service interoperability Worldwide roaming
9 WiMAX: some first conclusions Leading BWA technology, addressing several different user needs Users not adequately served by wired BB access at their home/office Users requiring ubiquitous BB access Offering unprecedented opportunities to operators and governments To reshuffle the TELCO market by fostering liberalization and competition To provide customers and citizens with high quality affordable services To effectively confront the risk of Digital Divide
10 Long term Digital Divide risk in Italy Val d Aosta Areas with inadequate (fiber/copper) wired access capacity Population: 5,700,000 Rural 59% Urban 4% Suburban 37% South & Islands 32% Central 25% North-East 11% North-West 32% Source: Osservatorio Larga Banda 2005
11 Val d Ayas DVB-T/WiMAX trial: WiMAX coverage Sector 2 Ayas_Crest (BS) Sector 1 Antagnod
12 Val d Ayas DVB-T/WiMAX trial: WiMAX test equipment Indoor unit Outdoor unit Residential Modem Antenna
13 All-Wireless CATV concept: broad area coverage DVB / WiMAX Head End DVB-T + WiMAX
14 All-Wireless CATV concept: last mile/drop solutions DVB-T Signal DVB-T Antenna WiMAX Signal WiMAX Roof-top Antenna DVB Content DVB / WiMAX Head End WiMAX/WiFi Access Point Existing TV Signal Distribution (Coax) IP Network WiFi
15 DVB-T + BB Access: enabling of combinational services DVB Network IP Network Image / Text / Speech to Avatar translation
16 DVB-T/WiMAX trial: wireless video contribution WiMAX Access Network Eth MPEG-2 / IP Video Interface ASI MPEG-2 Video Encoder FastWeb s SDH Network Eth MPEG-2 / IP Video Interface ASI MPEG-2 Video Decoder PAL PAL
17 WiMAX: further conclusions Best fit for WLAN (and Hot-Spot) feeding in urban areas SDSL alternative in urban and sub-urban areas xdsl alternative in low density and/or geo-morphologically disadvantaged areas xdsl alternative in areas with high seasonal changes in population Direct broadband wireless access in large outdoor areas DVB-T return channel
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